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| | | package com.hdl.sdk.link.common.utils;
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| | | import android.content.Context;
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| | | import android.net.wifi.WifiInfo;
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| | | import android.net.wifi.WifiManager;
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| | | import java.net.InetAddress;
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| | | import java.net.InterfaceAddress;
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| | | import java.net.NetworkInterface;
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| | | import java.net.SocketException;
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| | | import java.util.Enumeration;
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| | | /**
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| | | * Created by Tong on 2021/9/27.
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| | | */
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| | | public class IpUtils {
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| | | /**
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| | | * @return 广播地址
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| | | */
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| | | public static String getBroadcastAddress() {
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| | | try {
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| | | for (Enumeration<NetworkInterface> niEnum = NetworkInterface.getNetworkInterfaces();
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| | | niEnum.hasMoreElements(); ) {
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| | | NetworkInterface ni = niEnum.nextElement();
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| | | if (!ni.isLoopback()) {
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| | | for (InterfaceAddress interfaceAddress : ni.getInterfaceAddresses()) {
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| | | if (interfaceAddress.getBroadcast() != null) {
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| | | return interfaceAddress.getBroadcast().toString().substring(1);
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| | | }
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| | | }
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| | | }
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| | | }
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| | | } catch (SocketException e) {
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| | | e.printStackTrace();
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| | | }
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| | | return "255.255.255.255";
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| | | }
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| | | public static boolean isLocalIpAddress(String ipAddress) {
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| | | try {
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| | | for (Enumeration<NetworkInterface> niEnum = NetworkInterface.getNetworkInterfaces();
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| | | niEnum.hasMoreElements(); ) {
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| | | NetworkInterface ni = niEnum.nextElement();
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| | | for (InterfaceAddress interfaceAddress : ni.getInterfaceAddresses()) {
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| | | if (ipAddress.equals(interfaceAddress.getAddress().getHostAddress())) {
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| | | return true;
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| | | }
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| | | }
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| | | }
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| | | } catch (SocketException e) {
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| | | e.printStackTrace();
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| | | }
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| | | return false;
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| | | }
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| | | public static String getIP(Context application) {
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| | | WifiManager wifiManager = (WifiManager) application.getApplicationContext().getSystemService(Context.WIFI_SERVICE);
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| | | if (!wifiManager.isWifiEnabled()) {
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| | | try {
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| | | for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElements(); ) {
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| | | NetworkInterface intf = en.nextElement();
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| | | for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements(); ) {
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| | | InetAddress inetAddress = enumIpAddr.nextElement();
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| | | if (!inetAddress.isLoopbackAddress()) {
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| | | return inetAddress.getHostAddress();
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| | | }
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| | | }
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| | | }
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| | | } catch (SocketException e) {
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| | | e.printStackTrace();
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| | | }
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| | | } else {
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| | | WifiInfo wifiInfo = wifiManager.getConnectionInfo();
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| | | int ipAddress = wifiInfo.getIpAddress();
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| | | return intToIp(ipAddress);
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| | | }
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| | | return null;
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| | | }
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| | |
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| | | private static String intToIp(int i) {
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| | | return (i & 0xFF) + "." +
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| | | ((i >> 8) & 0xFF) + "." +
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| | | ((i >> 16) & 0xFF) + "." +
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| | | (i >> 24 & 0xFF);
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| | | }
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| | | }
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